iframes and nested iframes
This page provides a hosted means to check how
<iframe>s are handled in browser extensions.
This one has a
Visible frame in native disclosure widget
How about when the same frame is in a native disclosure widget?
This one contains another.
This one is hidden using the HTML5
This one is hidden using CSS
Nested clipped content
This one is hidden using the
visually-hidden class, which uses small sizing, clipping and all that jazz.
From a different subdomain (without landmarks)
From a different page (with landmarks)
There we go :-).
List of all tests